- Popular replacement style meter
- Rugged black phenolic case
-
Accuracy
Wattmeters:
Movement
Suspension
Tracking
Shielding
Resp***e Time
Overload (1 sec.)
Overload
(Continuous)
Repeatability
Dial
Resistance
Pointer
Scale Length
Net Weight
&plu***n;2% full scale (F.S.) (iron-vane), &plu***n;3%rectifier)
&plu***n;2%F.S.; Compensated meters: &plu***n;3%F.S.
Models 57, 59, 157 Iron-vane, magneticallydamped
Wattmeters: Dynamometer
All others: Annular, rectifier type,elf-shielding
Pivot and jewel; “T” styles: taut band
&plu***n;3%
Calibration is unaffected by magnetic panelmounting
1.5 seconds maximum
10 times F.S.
1.5 times F.S.
2%, tautband: .5%
Sharp clear scale. Each dial arc is calibrated to track thespecific type of movement used
&plu***n;15% of meter impedance
Spade pointer with black, matte finish
Models 177 & 157: 1.6” (40.6mm)
Models 147, 127 & 127T: 1.8” (45.7mm)
Models 57 & 77: 2.3” (58.4mm)
Models 27, 27T, & 47: 2.5” (63.5mm)
Models 59 & 79: 3.50” (89.0mm)
Models 29, 29T, & 49: 3.9” (99.0mm)
Models 57 & 157: 5oz (0.14kg)
Models 127, 127T & 147: 7oz (0.20kg)
Models 27, 27T, 47 & 59: 8oz (0.23kg)
Models 77 & 177: 9oz (0.26kg)
Models 29, 29T & 49: 11oz (0.31kg)
Model 79: 12oz (0.34kg)